Dear james:
i'm terribly sorry for the undesired sound nowadays which toubled you for a very long time .
the noice bothered you are made my the finishing equipment from my house .my sister are going to married next month ,the pleasant surprise striked us ,even that we haven't prepared for it .So we had to renovated her room for wedding in a very short time .
we are very sorry for disrupting your sleep. and we must do something for it ,we will finish the work as quickly as we can ,and make sure that do not keep working after 10 PM
apologize again for the undesired sound nowadays and hope for your forgiveness.
yours neighbour
XXX